[1] ENGIE Serv Singapore, 108 Pasir Panjang Rd, Singapore 118535, Singapore
[2] Natl Univ Singapore, Sch Design & Environm, Dept Bldg, 4 Architecture Dr, Singapore 117566, Singapore
[3] Univ Canterbury, Dept Civil & Nat Resources Engn, Private Bag 4800, Christchurch 8140, New Zealand
[4] Natl Univ Singapore, Sch Design & Environm, Dept Bldg, Safety & Resilience Res Unit, 4 Architecture Dr, Singapore 117566, Singapore